Garmin GPSMAP 400 Weather and XM Satellite Radio - Manual (Page 8)

XM WX Satellite Weather and Cellular Weather
4 GPSMAP 400/500 Series Weather Supplement
Lightning strikes are represented by lightning bolt icons
➌
. Lightning
appears on the weather Precipitation chart if strikes were detected within the
last seven minutes. The ground-based lightning detection network detects
cloud-to-ground lightning only.
Hurricane Information
The weather Precipitation chart can show the present position of a hurricane
➊
, a tropical storm, or a tropical depression. A red line stemming from a
hurricane icon indicates the projected path
➋
of the hurricane. Darkened dots
on the red line indicate the projected locations through which the hurricane
will pass, as received from the weather data provider.
➊ ➋
Weather Warnings and Weather Bulletins
When a marine weather warning, weather watch, weather advisory, weather
bulletin, or other weather statement is issued, shading
➊
indicates the area
to which the information applies. To view information about the warning or
bulletin, select the shaded area. The aqua lines
➋
on the chart indicate the
boundaries of marine forecasts, coastal forecasts, and offshore forecasts.
Weather bulletins may consist of either weather watches or weather
advisories.
See the Appendix (
page 19 ) to view a list of color shading descriptions.
➊
➋